Method for determining residual fuel and insolubles contamination in used marine engine lubricants using UVvisible spectroscopy and chemometrics

Details for Australian Patent Application No. 2002352578 (hide)

Owner ExxonMobil Research and Engineering Company

Inventors Reischman, Paul Thomas; Jalkian, Rafi

Agent Watermark

Pub. Number AU-B-2002352578

PCT Number PCT/US02/35955

PCT Pub. Number WO2003/048763

Priority 60/339,994 30.11.01 US; 10/274,070 18.10.02 US

Filing date 8 November 2002

Wipo publication date 17 June 2003

Acceptance publication date 23 August 2007

International Classifications

G01N 33/30 (2006.01) Investigating or analysing materials by specific methods not covered by groups

G01N 21/27 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G01N 21/33 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G01N 21/88 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Investigating the presence of flaws, defects or contamination

G01N 33/28 (2006.01) Investigating or analysing materials by specific methods not covered by groups

G01N 21/31 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 60/339,994 30.11.01 US; 10/274,070 18.10.02 US

21 August 2003 Application Open to Public Inspection

  Published as AU-B-2002352578

23 August 2007 Application Accepted

  Published as AU-B-2002352578

20 December 2007 Standard Patent Sealed

2 June 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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